Please feel free to ask any questions in the comments. Kumori Waterproof Box Sheet Single Waterproof Sheet Waterproof Fitted Pad Pad Integrated 3-in-1 All-Around Elastic Easy to Attach and Detach Bedwetting Sheet Nursing Sheet Incontinence Measures Antibacterial, Odor-Resistant, and Anti-Dust Mite Nursing Use Baby Use Washable All Season Mattress Cover Bed Sheet (Single, 100X200cm Ivory) Product Information] Size: Single, 100X200cm Material: Surface - 100% Polyester, Filling - 100% Polyester, Back - Polyurethane (TPU Waterproof Material), Gusset - 100% Polyester Specifications: All-around elastic, applicable to mattresses/futons up to 30cm thick. [Waterproof] The TPU waterproof material on the back prevents water penetration and stains on futons and mattresses, reducing the worry of soiling bedding for children's bedwetting, pet accidents, the elderly, and the sick, keeping it clean and hygienic, and supporting a comfortable sleep. [Gentle to the Skin] The surface is made of soft and comfortable peach fabric, and the washed finish adds natural wrinkles and softness, bringing out the texture of natural materials, and is comfortable all year round with a smooth feel. With waterproof, antibacterial, odor-resistant, and anti-dust mite functions, it can be used with peace of mind by babies, people with sensitive skin, and those with sensitive skin. [3-in-1] Waterproof sheet, fitted pad, and box sheet combined for ease! Filled with a moderate amount of filling, it provides a fluffy and comfortable sleep. It is thicker than ordinary box sheets, and is a pad-integrated box sheet that combines softness and resilience. [All-Around Elastic Type] With 360° elastic, it can be easily attached just by covering it. It supports up to 30cm in thickness, so it can be firmly fixed to mattresses/futons, and it won't slip even if you have a bad sleeping posture, allowing you to sleep soundly until morning. [Washable] Can be washed at home. When using a washing machine, use a laundry net and wash on the hand wash course. It dries easily, making it easy to care for, and you can always keep your bedding, which touches your bare skin every day, clean and comfortable.